alleryFor a body on a horizontal surface, the NORMAL FORCE N equals:
Amg/2
Bmg (weight)
C2mg
DZero
Answer & Solution
Correct answer: B. mg (weight)
For a body at rest on a horizontal surface, N must balance gravity: N = mg.
(If inclined, N = mg cos θ; if accelerating vertically, N changes accordingly.)
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